SEOUL, March 20 (Yonhap) -- North Korea on Sunday accused U.S. troops in South Korea of trespassing into the Demilitarized Zone and even partying inside it, threatening "human damage" if such provocations continue.

The threat has been delivered to the South Korean military, according to the North's official Korean Central News Agency (KCNA), which claimed that U.S. forces made 50 trespasses from March 1-8.